SH 397 Boone
Carrying SH 397 Boone over DRY JORDAN CREEK
.5 MI N JCT SH 392, Boone, Arkansas
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
SH 397 Boone in Boone, Arkansas sits above 63% of rated Arkansas bridges on inventory load rating (33 t), while its 1976 build year is earlier than 44% of Boone's recorded-year cohort (98 bridges).
SH 397 Boone in Boone, Arkansas is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1976, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure AR:0000000000M3967
INTERSTATE-ERA · CONCRETE · LONG-SPAN-RUN · CULVERT-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-GOOD
- INTERSTATE-ERA 1950–1979
- CONCRETE Concrete
- LONG-SPAN-RUN 5 spans
- CULVERT-LED Culvert-led
- ARTERIAL-ADT Arterial ADT
- STANDARD-LOAD Standard load
- CAT-GOOD Good
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: SH 397 Boone
The SH 397 Boone bridge in Boone, Arkansas carries SH 397 Boone over DRY JORDAN CREEK. It was built in 1976, making it 50 years old today. The structure is built primarily of concrete and spans 5 sections, stretching 19.5 meters (64 feet) end to end. Daily traffic averages 4,229 vehicles, placing it in the moderately-trafficked tier of Arkansas bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range.
How SH 397 Boone compares
Age against the county: built in 1976, earlier than 43 of Boone's 98 bridges with a recorded construction year (44%), against a county median build year of 1969. This is one of the newer structures in its county.
Live comparison across Arkansas bridges with a recorded inventory load rating (12,914 of 12,974 rated).
SH 397 Boone vs every rated Arkansas bridge
Inventory load rating (metric tons), FHWA NBI, this state
33 Top 37% higher than 63% of 12,914 bridges
rated Arkansas bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Boone inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 98 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1976
- Material
- Concrete
- Number of Spans
- 5
- Structure Length
- 19.5 m (64 ft) 0
- Owner
- State Highway Agency
- Avg Daily Traffic
- 4,229 vehicles/day
- Structure Number
- 0000000000M3967
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether SH 397 Boone is safe to cross today. Here is how to use it.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
- Compare SH 397 Boone against other structures in Boone and across Arkansas. Arkansas bridges
- Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge
Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.
Frequently Asked Questions
What do the condition ratings mean for SH 397 Boone?
SH 397 Boone in Boone, Arkansas on the FHWA's 0–9 scale.
How often is SH 397 Boone inspected?
SH 397 Boone's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 4,229 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. SH 397 Boone is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for SH 397 Boone?
SH 397 Boone has an NBI inventory load rating of 32.7 metric tons.
Who is responsible for maintaining SH 397 Boone?
SH 397 Boone is owned and maintained by State Highway Agency.
How old is SH 397 Boone and does age affect safety?
SH 397 Boone was built in 1976, making it 50 years old.
Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.